<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="" prop="bannerName">
        <el-input
          v-model="queryParams.bannerName"
          placeholder="banner名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
<!--      <el-form-item label="" prop="bannerModel">
        <el-select
          v-model="queryParams.bannerModel"
          placeholder="所属模块"
          clearable
          style="width: 240px"
        >
          <el-option
            v-for="dict in dict.type.model_name"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>-->
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="bannerList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" type="index" width="50" align="center">
        <template slot-scope="scope">
          <span>{{(queryParams.pageNum - 1) * queryParams.pageSize + scope.$index + 1}}</span>
        </template>
      </el-table-column>
      <el-table-column label="banner名称" align="center" prop="bannerName" />
      <el-table-column label="所属模块" align="center" prop="bannerModel" >
        <template slot-scope="scope">
          <dict-tag :options="dict.type.banner_model" :value="scope.row.bannerModel"/>
        </template>
      </el-table-column>
      <el-table-column label="编辑人" align="center" prop="updateUser" />
      <el-table-column label="最终编辑时间" align="center" prop="updateTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.updateTime) }}</span>
        </template>
      </el-table-column>

      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改banner管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="800px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="banner名称" prop="bannerName">
          <el-input v-model="form.bannerName" placeholder="请输入banner名称" />
        </el-form-item>
        <el-form-item label="所属模块" prop="bannerModel">
          <el-select v-model="form.bannerModel" placeholder="请选所属模块">
            <el-option
              v-for="dict in dict.type.banner_model"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="banner内容(中文)" prop="bannerImageCn">
          <image-upload v-model="form.bannerImageCn" :suggestSize="'1260*360'"  :limit="6"/>
        </el-form-item>
        <template v-if="form.bannerImageCn">
          <el-form-item label="链接(中文)" prop="bannerHrefCn" v-for="(item, index) in form.bannerImageCn.split(',')" :key="'z' + index">
            <el-input v-model="form[`bannerHrefCn` + index]" placeholder="请输入链接(中文)" />
          </el-form-item>
        </template>

        <el-form-item label="banner内容(英文)" prop="bannerImageEn">
          <image-upload v-model="form.bannerImageEn" :suggestSize="'1260*360'" :limit="6"/>
        </el-form-item>
        <template v-if="form.bannerImageEn">
          <el-form-item label="链接(英文)" prop="bannerHrefEn" v-for="(item, index) in form.bannerImageEn.split(',')" :key="'e' + index">
            <el-input v-model="form[`bannerHrefEn` + index]" placeholder="请输入链接(英文)" />
          </el-form-item>
        </template>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listBanner, getBanner, delBanner, addBanner, updateBanner } from "@/api/system/banner";

export default {
  dicts: ['banner_model'],
  name: "Banner",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // banner管理表格数据
      bannerList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        bannerName: null,
        bannerModel: null,
        modeCode: null,
        bannerImageCn: null,
        bannerImageEn: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        bannerName: [
          { required: true, message: "banner名称不能为空", trigger: "blur" },
          {max: 200, message: 'banner名称长度不能超过200', trigger: 'blur' }
        ],
        bannerModel: [
          { required: true, message: "所属模块不能为空", trigger: "blur" }
        ],
        bannerImageCn: [
          { required: true, message: "请上传中文图片", trigger: "blur" }
        ],
        bannerImageEn: [
          { required: true, message: "请上传英文图片", trigger: "blur" }
        ],
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询banner管理列表 */
    getList() {
      this.loading = true;
      listBanner(this.queryParams).then(response => {
        this.bannerList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        bannerName: null,
        bannerModel: null,
        modeCode: null,
        bannerImageCn: null,
        bannerImageEn: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加banner信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBanner(id).then(response => {
        this.form = response.data;

        if (this.form.bannerHrefCn){
           let arr =  this.form.bannerHrefCn.split(",");
           for (var i=0;i<arr.length;i++){
             this.$set(this.form,"bannerHrefCn"+i,arr[i]);
           }
        }
        if (this.form.bannerHrefEn){
          let arr =  this.form.bannerHrefEn.split(",");
          for (var i=0;i<arr.length;i++){
            this.$set(this.form,"bannerHrefEn"+i,arr[i]);
          }
        }

        this.open = true;
        this.title = "修改banner信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        let bannerHrefEn = "";
        let bannerHrefCn = "";
        if (this.form.bannerImageCn){
          let arr =  this.form.bannerImageCn.split(",");
          for (let i=0;i<arr.length;i++){
            bannerHrefCn = bannerHrefCn+(this.form["bannerHrefCn"+i]?this.form["bannerHrefCn"+i]:"")+",";
          }
        }
        if (this.form.bannerImageEn){
          let arr =  this.form.bannerImageEn.split(",");
          for (let i=0;i<arr.length;i++){
            bannerHrefEn = bannerHrefEn+(this.form["bannerHrefEn"+i]?this.form["bannerHrefEn"+i]:"")+",";
          }
        }
        this.form.bannerHrefEn = bannerHrefEn;
        this.form.bannerHrefCn = bannerHrefCn;
        if (valid) {
          if (this.form.id != null) {
            updateBanner(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBanner(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除数据项？').then(function() {
        return delBanner(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/banner/export', {
        ...this.queryParams
      }, `banner_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
